Union, M12x1.25 LH, 14 mm pilot, 3/8" NPT
1101-654-646
- Single passage for coolant or MQL
- Closed seals for transfer line and similar applications
- Full-flow design has no obstructions to trap swarf or debris
- Bearing-supported with threaded rotor for easy installation
- Deep groove radial ball bearings for smooth operation
- Labyrinth system and large vents to protect ball bearings
- Balanced mechanical seals made from silicon carbide for long life even under difficult operating conditions
- Anodized aluminum components resist corrosion
Dimensions
A
M12x1.25 LHM12x1.25 LH
B
3/8"-18 NPT3/8"-18 NPT
C
42.85 mm1.687 "
D1
95.95 mm3.778 "
E
29.68 mm1.169 "
F
15.9 mm0.626 "
G
6 mm0.236 "
H
23.8 mm0.937 "
I
14 mm0.551 "
J
80.05 mm3.152 "
L
22.23 mm0.875 "
P
2xNPT 1/8"-27 & 4xNon-Threaded2xNPT 1/8"-27 & 4xNon-Threaded
X
4.7 mm0.185 "
Operating Specifications
Media
WaterWater
Rotor Connection
M12x1.25 LH M12x1.25 LH
Supply Connection
3/8"-18 NPT 3/8"-18 NPT
Water Max. Flow
24.3 l/min6.4 GPM
Water Max. Pressure
140 bar2030 psi
Water Max. Temperature
71 °C160 °F
Documents & Resources
Installation Guide
Installation Guide for Rotor-Mounted unions
Interface Drawing
Interface Control drawing for 1101-654-646
Operating Manual
Operating Manual for "Closed Seal" unions for machine tools